52521875 = (5+2+5+2+1+8+7+5)5 135 = 1.3.5.(1+3+5) 144 = 1.4.4.(1+4+4) 8833 = 882 + 332 7744 = 88.88
4913 = (4+9+1+3)3 5832 = (5+8+3+2)3 19683 = (1+9+6+8+3)3 17576 = (1+7+5+7+6)3 390265 = (3+9+0+6+2+5)4 234256 = (2+3+4+2+5+6)4
